Flyer frame for textile rovings



Nov. 2l, 1939. F CSABLANCAS 2,180,792

FLYER FRAME FOR TEXTILE ROVINGS Filed March 20, 1939 Y 5 Sheets-Sheet l fwanfr arnamia waZanca' 5MM QLMM i ugrmfys.

Nov. 21, 1939. F. cAsABLANcAs 2,180,792

FLYER FRAME EER TEXTILE ROVINGS Filed March 20, 1939 v 5 Sheets-Sheet 2 NOV. 21, 1939. |=l CASABLANCAS 2,180,792

FLYER FRAME FOR TEXTILE ROVINGS Filed March 20, 1959 5 Sheets-Sheet 5 Imi/enfer Z'mmda amZZa/was Patented Nov. 21, 1939 UNITED sTATss PArNroi-*FICE FLYER FRAME Fon TEXTILE RovlNGs British company Application March 20, 1939, serial No. 263,012 vIn Great Britain March 31,1938

s claims. (c1. yv-.51)

This invention relates to flyer frames for textile rovings and more particularly to flyer frames in which a false twist device is provided between the front drafting rollers and the flyer.

' The invention has for its chief object the provision of such a flyer frame in lwhich the false twist devices are mounted and driven in a manner which is' an improvement on the methods known and used heretofore.'

According to the inventiony the false twist mechanism ismounted at or near the top of a yer and is adapted to be driven thereby.

The false twist mechanism lmay be supported on the top of the' flyer itself or it may be mounted on a member attached' toa fixed part of the frame. In the former case it vis preferably carried by a horizontal arm mounted on the upper end of the flyer to permit rotation of the flyer or on a member secured thereto. With this arrangement, when it is desired to remove or replace a bobbin, the false twist mechanismv and the flyer can be removed as a single unit.

In order to prevent the twist mechanism on its arm from being rotated with the flyer, itis preferably formed with a member such as a horizontal arm which is adapted to engage either against a suitable fixed part of the frame or against a similar member or other part of the mechanism of another flyer. According to another embodiment, two false twist mechanisms corresponding'to two separate flyers are mounted at opposite ends' of a single arm. In this case the twist mechanisms may be arranged to be readily removable Afrom the tops of the y'ers or 35 the arrangement can be such that the twist mechanisms with the two iiyers can be removed as a single unit fromthe bobbins.

When it is vdesired tosupport the twist mechanisms from a fixed part of the frame such as, for example, a lixed horizontal frame member, it is necessary that vthe mechanisms should'be fixed ron movable bars in order that they may be moved out of the Way when it isi desired to remove the yers and bobbins. 45 In order that the said invention may be clearly understood and readily carried into effect the same will now be more fully described by way of example with reference to the accompanying drawings wherein like references denote like parts and wherein: y

Figure 1 is a diagrammatic side elevation, partly in sectioniand partly broken away, of one form of the invention. 1 V I Figures 2 to -5 are diagrammatic side elevations, partly broken away, of various modified forms of the invention. i

Figure 6 is a diagrammatic front elevation, partly broken away, and lshowing two flyers mounted at opposite ends of a single arm, and

Figure 7 is a diagrammatic plan showing one method of preventing rotation of the arms carrying the false twist devices.

Referring now to the' drawings and in particular to Figure 1 thereof, thev false twist device I is supported on the top of the flyer 2 by means of a horizontal arm3, which arm is mounted on the upper end of the flyer 2 lto permit rotation of the flyer. -The false twist device is driven from the flyer 2 by means of bevel gears 5, 6 or friction wheels mounted, one on the upper end of the yer and the other on the false twist device I. Withthis arrangement,'when it is desired to remove orreplace a bobbin, the false twist mechanism and thev flyer `2-can be removed as asingle unit. f i In order to prevent the arm v3 carrying in the' false twist device I from being rotated with the flyer 2, the arm 3 is preferably formed with an extension which is adapted to engage either against a suitable iixed part of the frame or against asimilar extension or other part of the mechanism of another flyer as shown in Figure 7.

According to Figure 6, two false twist mechanisms I corresponding to two separate fiyers 2 are ymounted at opposite ends of a single arm 3. In this case the twist mechanisms I may be arranged to be' readily removable from the. tops of the iiyers2 or the arrangement can be such that the twist mechanisms with the two flyers can be removed as 'a single unit from the bobbins.

Referring now to Figure 2, the false twist device Vis'mounted as Figure land is driven by means of a belt and pulley system which comprises a pulley .'I mounted on the upper end of the flyer 2, a Second .pulley` 8 driving the ytwistv device I and surrounding the same, and a pair of small guide .pulleys '9 freely mounted on a shaft I0 which' ris at right angles to the axes Aof both the aforesaid pulleys. Anendless belt or cord II passes from the pulley 'I on the iiyer under one Vof the guide pulleys-9, over the pulley 8 on the twist device, down and under the other guide pulley 9 and back to the flyer pulley l.

In accordance `with Figure 3 the device is again mounted in a-'mannersimilar to that described in connection with Figure 1 but the driving connection from the flyerv 2` comprises a bevel gear or friction Wheel I2 mounted on the upper part jof -the'fiyer 2 and cooperating with a corresponding wheel I3 securedto a horizontal shaft kI4 rctatable inibearings I5 on the horizontal arm 3 which supports the twist mechanism.` A cone roller I6 is xed on this'shaft and cooperates with a cylindrical roller I'I formed with circumferential grooves. This roller I'I surrounds and drives the false twist tube I` or other false twist deviceand its axis is soinclined to the axis of the roller I6' that 'there is a substantially uniform gap between the circumferences of the two rollers. A rubber or other suitable resilient ring I8 surrounds the cylindrical roller II in one of the grooves thereof and is frictionally engaged by the conical roller I6. The twist device I is thus driven from the flyer 2 at a speed depending on which groove in the roller I1 the rubber ring I8 is placed. If it is in a groove adjacent the smaller end of the roller IB the twist device I will be driven at a low speed, while if it is in a groove adjacent the larger end of the roller I6 then the twist device I will be driven at a relatively high speed.

In the construction embodiment according to Figure 4 the twist mechanisms are each mounted at the end of a bar I9 pivotally mounted at 20 on a fixed part 2| of the frame. In this case the flyer 2 drives the bevel wheel 5 which is fixed thereon by means of a key or peg or alternatively the hole in the bevel wheel 5 and the male end of the flyer may be square. The foregoing methods of drive allow the twist mechanisms to be raised out of the way if desired, as shown in dotted lines.

Figure 5 illustrates a modification of Figure i wherein the bar 22 supporting thetwist device I is slidably mounted so that the twist mechanism can be slid back away from the flyer 2 as shown in rdotted lines. The driving connection may be similar to that described in connection with Figure l and comprise a bevelled gear or bevelled friction wheel 5 mounted on top of the flyer 2 and a similar wheel Ii 'mounted on the false twist device I, these wheels being adapted to cooperate when the twist mechanism is moved to its operative position, but being readily separable when it is desired to slide back the mechanism out of the way of the flyer 2.

What I claim and desire to secure by Letters Patent of the United States is:

l. In a flyer frame for use in the preparation ci textile rovings, the combination of a set of drafting rollers, a flyer, means for rotating said rollers and said flyer, a false twist device for said roving mounted between said rollers and said flyer and adjacent said flyer, and means for transmitting the drive for said false twist device from. said flyer.

2. In a iiyer frame for use in the preparation of textile rovings, the combination of a set of drafting rollers, a flyer, means for rotating said rollers and said iiyer, a false twist device for said roving mounted between said rollers and said yer and adjacent said flyer, and means for transmitting the drive for said false twist device from said iiyer said means comprising a coneshaped roller mounted on a shaft adjacent said false twist device and driven from said flyer, a cylindrically-shaped roller surrounding said false twist device and so inclined with respect to said cone-shaped roller as to leave a uniform gap therebetween, and adjustable means cooperating with said rollers to transmit by friction the drive from said cone-shaped roller to said cylindrically-shaped roller.

3. In a yer frame for use in the preparation of textile rovings,'the combination of a set of drafting rollers; a flyer, means for rotating said rollers and said iiyer, a false twist device for said roving mounted between said rollers and said flyer and adjacent said flyer, `and means for transmitting the drive for said false twist device from said flyer said means comp-rising a pair of cooperating wheels, one mounted directly on the flyer and rotating therewith and the other mounted on a Shaft, a cone-shaped, roller also mounted on said shaft and adjacent said false twist device, a cylindrically-shaped roller surrounding said false twist device and so inclined with respect to said cone-shaped roller as to leave a uniform gap therebetween, and adjustable means cooperating with said rollers to transmit by friction the drive from said cone-shaped roller to said cylindrically-shaped roller.

4. In a flyer frame for use in the preparation of textile rovings, the combination of a set of drafting rollers, a flyer, means for rotating said rollers and Said flyer, a false twist device for said roving mounted between said rollers and said flyer and adjacent said flyer, drive transmitting means mounted on said flyer and rotating therewith and cooperating with further drive transmitting means mounted on a shaft adjacent said false twist device, a tapered roller also mounted on Said shaft, a cylindrically shaped roller surrounding said false twist device and formed with circumferential grooves, the said latter roller being so inclined with respect to the said tapered roller as to leave a uniform gap between said rollers, and a resilient ring member surrounding said cylindrically-shaped roller in one ofthe grooves lformed thereon and frictionally engaging said tapered roller, the said resilient ring member permitting of the adjustmentof the speed of rotation of the said false twist device with respect to the said flyer, said adjustment being effected by altering the grove in which said ring islocated.

5. In a flyer frame for use in the preparation of textile rovings, the combination of a set of drafting rollers, a flyer, means for rotating said rollers and said flyer, a false twist device mounted on an arm which in turn is mounted on the upper end of said flyer to permit rotation of said flyer, said device engaging the roving between ,f

said rollers and said flyer and adjacent said flyer, and means for transmitting the drive for said device from said flyer.

6. In a flyer frame for use in the preparation of textile rovings, the combination of a set of J drafting rollers, a flyer, means for rotating said rollers and said flyer, a false twist device mounted on an arm which in turn is mounted on the upper end of said flyer to permit rotation of said iiyer, said device engaging the roving betweensaid rollers and said flyer and adjacent said flyer, at

last one extension formed on said arm and adapted to abut stationary parts of the frame to prevent said device revolving bodily with said flyer, and `means for transmitting the drive for said device from said flyer. i i

7. In a flyer frame for use yin the preparation of textile rovings, the combination of drafting rollers, iiyers, means for rotating said rollers and said fiyers, false twist devices for the rovings mounted individually on each flyer and held by the latter and means for transmitting the drive for each false twist device from itsindividual flyer.

8. In a flyer frame for use in the preparation of textile rovings, the combination of drafting rollers, flyers, means for rotating said rollers and said flyers, false twist devices mounted between said rollers and said iiyers and adjacent` said flyers, each pair of said devices corresponding to l.

two consecutive rollers being coupled together, and means for transmitting the drive for said false twist devices from said flyers.

FERNANDO CASABLANCAS. 

